WO2017219635A1

WO2017219635A1 - Battery pack container and vehicle containing same

Info

Publication number: WO2017219635A1
Application number: PCT/CN2016/112101
Authority: WO
Inventors: 苟泽明
Original assignee: 北汽福田汽车股份有限公司
Priority date: 2016-06-20
Filing date: 2016-12-26
Publication date: 2017-12-28
Also published as: CN107528016A; CN107528016B

Abstract

A battery pack container (100) and a vehicle containing the same. The battery pack container (100) comprises: an outer container (110); a battery module (120), disposed via a module support (150) in the outer container (110), and separated from at least one wall of the outer container (110); and an air inflation and deflation device (130), disposed between the battery module (120) and the at least one wall, located in a space between the battery module (120) and the at least one wall, and configured to separate, after the air inflation and deflation device (130) is deflected, from the battery module (120).

Description

Battery box and vehicle having the same

Technical field

The present invention relates to the field of vehicle technology, and in particular, to a battery box and a vehicle therewith.

Background technique

With the increase in the number of new energy electric vehicles purchased, the promotion and application of new energy electric vehicles is becoming more and more widespread. Because of the increase in speed and range, pure electric vehicles have become an important choice for people to buy cars, but high temperature and low temperature. Different environments can adversely affect the performance of the battery.

Summary of the invention

The present invention aims to solve at least one of the technical problems in the related art to some extent. Therefore, an object of the present invention is to provide a battery box, which can enable the battery module of the vehicle to work normally under different environments such as high temperature and low temperature, and avoid the battery life of the battery module due to temperature changes. Mileage and stable work have an impact.

A battery case according to the present invention includes: an outer casing; a battery module, wherein the battery module is disposed in the outer casing through a module bracket, and the battery module is spaced apart from at least one wall of the outer casing a charging and discharging device, the charging and discharging device is disposed between the battery module and the at least one wall, and the charging and discharging device fills the battery module and the at least one when inflating The gap between the walls and the charge and discharge device are spaced apart from the battery module after the charge and discharge device is deflated.

According to the battery case of the present invention, by providing the charging and discharging device and the charging and discharging device, the battery module of the vehicle can be normally operated under different environments such as high temperature and low temperature, thereby avoiding the battery module due to temperature change. The cruising range and stable work have an impact.

In addition, the battery case according to the invention may also have the following additional technical features:

According to an embodiment of the invention, the outer casing is a rectangular parallelepiped, and the battery module is spaced apart from the six walls of the outer casing.

According to an embodiment of the invention, at least one of the charging and deflation devices is disposed between each side of the battery module and each side wall of the outer casing.

According to an embodiment of the invention, the module holder is plural and the battery module is suspended and suspended in the outer box.

According to an embodiment of the invention, the module holder is a plurality of struts, and the plurality of struts are used to connect the outer struts a case and the battery module.

According to an embodiment of the present invention, the outer case and the battery module are both in a cubic structure, and the branch is disposed between each vertex of the outer case and a corresponding vertex of the battery module. Rod.

According to an embodiment of the invention, the charge and discharge device is an air bag, and at least one of an inner surface and an outer surface of the air bag is provided with an insulating layer.

According to an embodiment of the present invention, the battery case further includes: an external air pump, and the on-off valve is disposed between the external air pump and the charging and discharging device.

According to an embodiment of the present invention, the battery case further includes: a heating device disposed inside the outer casing.

According to an embodiment of the invention, the heating device is disposed on an outer surface of the battery module or on the charging and discharging device.

According to an embodiment of the present invention, the heating device includes: a metal anti-magnetic layer, a thermal conductive insulating layer, a resistance heating layer and a heat insulating layer which are sequentially stacked, the metal anti-magnetic layer faces the battery module, and the heat insulation The layer faces away from the battery module.

According to an embodiment of the invention, the charge and discharge device is attached to the wall of the outer casing after the charge and discharge device is deflated.

According to an embodiment of the present invention, the battery case further includes: a built-in temperature sensor and an external temperature sensor, the built-in temperature sensor is disposed in the outer box, and the external temperature sensor is externally disposed in the outer box in vitro.

The vehicle according to the present invention includes the above-described battery case, and since the vehicle according to the present invention is provided with the above-described battery case, the vehicle can be adapted to a variety of different environments, and the vehicle has a longer cruising range.

DRAWINGS

1 is a cross-sectional view of a battery case in accordance with an embodiment of the present invention;

2 is a partial cross-sectional view of a heating device in accordance with an embodiment of the present invention.

Reference mark:

Battery box 100,

The outer casing 110, the battery module 120, the charging and discharging device 130, the module bracket 150,

The heating device 140, the metal anti-magnetic layer 141, the thermally conductive insulating layer 142, the resistance heating layer 143, and the heat insulating layer 144.

detailed description

Embodiments of the invention are described in detail below, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are intended to be illustrative of the invention and are not to be construed as limiting.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " After, "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inside", "Outside", "Clockwise", "Counterclockwise", "Axial", The orientation or positional relationship of the "radial", "circumferential" and the like is based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplified description, and does not indicate or imply the indicated device or component. It must be constructed and operated in a particular orientation, and is not to be construed as limiting the invention.

Moreover, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, features defining "first" or "second" may include at least one of the features, either explicitly or implicitly. In the description of the present invention, the meaning of "a plurality" is at least two, such as two, three, etc., unless specifically defined otherwise.

In the present invention, the terms "installation", "connected", "connected", "fixed" and the like shall be understood broadly, and may be either a fixed connection or a detachable connection, unless explicitly stated and defined otherwise. Or in one piece; it may be a mechanical connection, or it may be an electrical connection or a communication with each other; it may be directly connected or indirectly connected through an intermediate medium, and may be an internal connection of two elements or an interaction relationship between two elements. Unless otherwise expressly defined. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood on a case-by-case basis.

In the present invention, the first feature "on" or "under" the second feature may be a direct contact of the first and second features, or the first and second features may be indirectly through an intermediate medium, unless otherwise explicitly stated and defined. contact. Moreover, the first feature "above", "above" and "above" the second feature may be that the first feature is directly above or above the second feature, or merely that the first feature level is higher than the second feature. The first feature "below", "below" and "below" the second feature may be that the first feature is directly below or obliquely below the second feature, or merely that the first feature level is less than the second feature.

The battery case 100 of the embodiment of the present invention will be described in detail below with reference to FIGS. 1 to 2.

The battery case 100 according to an embodiment of the present invention may include an outer case 110, a battery module 120, a charging and discharging device 130, and a heating device 140.

The battery module 120 is supported in the outer casing 110 by the module bracket 150. The battery module 120 is spaced apart from at least one wall of the outer casing 110. In other words, the battery module 120 is spaced apart from at least one wall of the outer casing 110.

The charging and discharging device 130 is disposed between the battery module 120 and at least one wall. The charging and discharging device 130 fills a gap between the battery module 120 and the at least one wall when inflating, and after the charging and discharging device 130 is deflated. The charge and discharge device 130 is spaced apart from the battery module 120.

When the charging and discharging device 130 is inflated, the charging and discharging device 130 may be filled between the battery module 120 and the outer casing 110. When the charging and discharging device 130 is deflated, the charging and discharging device 130 takes up a small space and the charging and discharging device 130 and the electricity The pool modules 120 are spaced apart. Optionally, the charging and discharging device 130 is attached to the wall of the outer casing 110 after the charging and discharging device 130 is deflated.

Specifically, when the vehicle is in a high temperature environment, the charging and discharging device 130 may be in a deflated state, and the outer casing 110 and the battery module 120 are spaced apart to facilitate heat dissipation of the battery module 120; In the low temperature environment, the charging and discharging device 130 can be in an inflated state. At this time, the charging and discharging device 130 is filled between the outer casing 110 and the battery module 120, thereby sealing and maintaining the battery.

According to the battery case 100 of the embodiment of the present invention, by providing the charging and discharging device 130, the battery module 120 of the vehicle can be normally operated under different environments such as high temperature and low temperature, and the battery module 120 can be prevented from being changed due to temperature changes. The cruising range and stable work have an impact.

In some embodiments of the present invention, as shown in FIG. 1, the outer casing 110 is a rectangular parallelepiped, and the battery module 120 is spaced apart from the six walls of the outer casing 110. Thereby, the space between the battery module 120 and the outer box 110 can be larger, and the heat dissipation performance of the battery box 100 is improved.

Further, a charging and discharging device 130 is disposed between each side of the battery module 120 and each side wall of the outer casing 110. That is to say, more charging and discharging devices 130 can be placed between the battery module 120 and the outer casing 110, and the thermal insulation performance of the battery casing 100 can be further improved when the charging and discharging device 130 is inflated.

In some embodiments of the invention, the charge and discharge device 130 is a flexible bladder. Thereby, the inflation process and the deflation process of the charge and discharge device 130 can be made easier, thereby further improving the protection of the battery module 120.

In some embodiments of the present invention, as shown in FIG. 1 , the module holders 150 are plural and the battery module 120 is suspended and suspended in the outer box 110 . That is to say, the four sides, the upper side and the lower side of the battery module 120 are spaced apart from the outer box 110, thereby further improving the heat preservation and heat dissipation performance of the battery box 100.

Specifically, the module bracket 150 is a plurality of poles, and the plurality of poles are used to connect the outer casing 110 and the battery module 120. In the specific example of the present invention, the outer casing 110 and the battery module 120 are both in a cubic structure, and a struts are disposed between each vertex of the outer casing 110 and a corresponding apex of the battery module 120. That is, eight struts are disposed between the outer casing 110 and the battery module 120, and the eight struts are disposed between the eight vertices of the outer casing 110 and the eight vertices of the battery module 120.

In some embodiments of the invention, the charge and discharge device 130 is an air bag, and at least one of the inner and outer surfaces of the air bag is provided with an insulating layer. That is to say, the insulating layer may be disposed on the inner surface of the airbag, or may be disposed on the outer surface of the airbag, and may of course be disposed on both the inner and outer surfaces of the cavity.

It should be noted that the inner surface of the airbag is a side facing away from the battery module 120, and the outer surface of the airbag is a side surface facing the battery module 120.

Therefore, when the weather is relatively cold in winter, the airbag is inflated to completely fill the gap between the battery module 120 and the outer casing 110, thereby functioning as a sealing and heat preservation, and the heat insulating layer on the airbag can further improve the battery module. 120 insulation performance; when the weather is hot in summer, the airbag deflation separates the outer casing 110 and the battery module 120 to facilitate the heat dissipation of the battery module 120, and the insulation layer on the airbag can be along with the airbag Keep away from the battery case and it will not affect the heat dissipation of the battery module 120.

In some embodiments of the present invention, the battery case 100 further includes an external air pump, and an on-off valve is disposed between the external air pump and the charging and discharging device 130. The on-off valves may be respectively connected to the plurality of charge and discharge devices 130 for inflating the plurality of charge and discharge devices 130 or extracting gases from the plurality of charge and discharge devices 130.

In some embodiments of the invention, the battery compartment 100 further includes a heating device 140 that is disposed inside the outer casing 110.

Therefore, when the vehicle is in an extremely cold environment, the charging and discharging device 130 is in an inflated state and the heating device 140 can be in a heating state to heat the battery module 120 while maintaining the battery module 120. The battery module 120 can be operated in an extremely cold environment.

Specifically, the heating device 140 may be disposed on the outer surface of the battery module or the charging and discharging device 130, so that the battery can be heated in an inflated state to avoid the problem that the battery life is shortened and cannot be started in an extremely cold environment.

Preferably, a heating device 140 is disposed on a side of the charging and discharging device 130 facing the battery module 120, and a heat insulating layer is disposed on a side of the charging and discharging device 130 facing away from the battery module 120, thereby the battery is in the heating device 140 After the module 120 is heated, the heat insulating layer can effectively avoid heat loss and improve the heating efficiency of the heating device 140 to the battery module 120.

Further, the heating device 140 is an electric heating sheet, and the electric heating sheet is attached to the airbag. When the airbag is in an inflated state, the electric heating sheet can be attached to the battery module 120, and when the electric heating sheet is heated, the battery module 120 can be directly heated.

Preferably, the battery case 100 may further include a built-in temperature sensor and an external temperature sensor. The built-in temperature sensor is disposed in the outer case 110, and the external temperature sensor is externally disposed outside the outer case 110.

A built-in temperature sensor can be used to detect the temperature inside the outer casing 110, and an external temperature sensor can be used to detect the temperature outside the outer casing 110. The built-in temperature sensor and the external temperature sensor can be respectively connected to the control center of the vehicle, and the external temperature sensor can transmit the detected temperature signal outside the outer casing 110 to the control center of the vehicle, and the control center of the vehicle can be detected according to the detection. The temperature signal outside the outer casing 110 controls whether the heating device 140 is heated; and the built-in temperature sensor can transmit the temperature signal in the outer casing 110 to the control center, and the control center can be based on the temperature signal in the outer casing 110. To control whether the heating device 140 stops heating.

In some embodiments of the present invention, as shown in FIG. 2, the heating device 140 includes a metal anti-magnetic layer 141, a thermally conductive insulating layer 142, a resistance heating layer 143, and a heat insulating layer 144 which are sequentially stacked, and the metal anti-magnetic layer 141 faces the battery module. Group 120, the insulating layer 144 faces away from the battery module 120.

The metal anti-magnetic layer 141 can prevent the magnetic field generated when the resistance heating layer 143 is heated from affecting the battery module 120. The thermal conductive insulating layer 142 isolates the metal anti-magnetic layer 141 and the resistance heating layer 143 to function as heat conduction and insulation. The resistance heating layer 143 For generating heat, the heat insulating layer 144 has an effect of preventing heat loss.

The vehicle of the embodiment of the present invention will be briefly described below.

The vehicle according to an embodiment of the present invention includes the battery case 100 of the above embodiment, and since the vehicle according to the embodiment of the present invention is provided with the above-described battery case 100, the vehicle can be adapted to a plurality of different environments, and the vehicle has a longer cruising range.

In the description of the present specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" and the like means a specific feature described in connection with the embodiment or example. A structure, material or feature is included in at least one embodiment or example of the invention. In the present specification, the schematic representation of the above terms is not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. In addition, various embodiments or examples described in the specification, as well as features of various embodiments or examples, may be combined and combined.

Although the embodiments of the present invention have been shown and described, it is understood that the above-described embodiments are illustrative and are not to be construed as limiting the scope of the invention. The embodiments are subject to variations, modifications, substitutions and variations.

Claims

A battery box, comprising:

Outer box

a battery module, the battery module is disposed in the outer casing through a module bracket, and the battery module is spaced apart from at least one wall of the outer casing;

a charge and discharge device disposed between the battery module and the at least one wall, the charge and discharge device filling the battery module and the at least one wall when inflating And a gap between the charging and discharging device and the battery module after the gas filling and discharging device is deflated.
The battery case according to any one of claims 1 to 3, wherein the outer casing is a rectangular parallelepiped, and the battery module is spaced apart from the six walls of the outer casing.
The battery case according to claim 2, wherein at least one of said charging and deflation means is disposed between each side of said battery module and each side wall of said outer casing.
The battery case according to any one of claims 1 to 3, wherein the plurality of module holders are suspended and suspended in the outer casing.
The battery case according to claim 4, wherein the module holder is a plurality of struts, and the plurality of struts are used to connect the outer case and the battery module.
The battery case according to claim 5, wherein the outer case and the battery module are both in a cubic structure, and between each vertex of the outer case and a corresponding vertex of the battery module The struts are provided.
The battery case according to any one of claims 1 to 4, wherein the charge and discharge device is an air bag, and at least one of an inner surface and an outer surface of the air bag is provided with a heat insulating layer.
The battery case according to any one of claims 1 to 7, further comprising: an external air pump, and an on-off valve is disposed between the external air pump and the charging and discharging device.
The battery case according to any one of claims 1 to 8, characterized by further comprising: a heating device disposed inside the outer casing.
The battery case according to claim 9, wherein said heating means is provided on an outer surface of said battery module or said charge and discharge device.
The battery case according to any one of claims 9 to 10, wherein the heating device comprises:

a metal anti-magnetic layer, a thermal conductive insulating layer, a resistance heating layer and a heat insulating layer are sequentially stacked, and the metal anti-magnetic layer faces the battery module, and the heat insulating layer faces away from the battery module.
A battery case according to any one of claims 1 to 11, wherein said charge and discharge device is attached to a wall of said outer casing after said charge and discharge device is deflated.
The battery case according to any one of claims 1 to 12, further comprising: a built-in temperature sensor And an external temperature sensor disposed in the outer casing, the external temperature sensor being external to the outer casing.
A vehicle comprising the battery case of any one of claims 1-13.